Question 1

Which type of electromagnetic radiation is associated with heat?

Accepted Answer

A) X-rays 
B) gamma rays 
C) visible light 
D) infrared light 
A) X-rays 
B) gamma rays 
C) visible light 
D) infrared light

Question 2

Which is defined as the emission of energy?

Accepted Answer

A) beta particles 
B) radiation 
C) electron smear 
D) X-rays 
A) beta particles 
B) radiation 
C) electron smear 
D) X-rays

Question 3

When electrons in an atom are in their lowest possible energy state, they are said to be

Accepted Answer

A) unionized. 
B) in the ground state. 
C) non-reactive. 
D) part of a line spectrum. 
A) unionized. 
B) in the ground state. 
C) non-reactive. 
D) part of a line spectrum.

Question 4

An atom of a particular element is energized and promoted to a higher energy level.The electron later relaxes back to its original state and emits electromagnetic radiation that has a wavelength of 1050 nm.You were observing this occurrence but did not detect any light being emitted.What is the most likely reason that you did not observe any light?

Accepted Answer

A) The process happened too fast. 
B) The electrons are too small to see. 
C) The wavelength that was emitted is outside the visible range of light. 
D) The wavelength that was emitted caused the emission of radio waves, which you would have had to hear rather than see. 
A) The process happened too fast. 
B) The electrons are too small to see. 
C) The wavelength that was emitted is outside the visible range of light. 
D) The wavelength that was emitted caused the emission of radio waves, which you would have had to hear rather than see.

Question 5

Incandescent light bulbs

Accepted Answer

A) have not been produced since 2010. 
B) will be phased out of production starting in 2020. 
C) have been manufactured worldwide since just before the first World War. 
D) will be used to replace less energy efficient LED type bulbs. 
A) have not been produced since 2010. 
B) will be phased out of production starting in 2020. 
C) have been manufactured worldwide since just before the first World War. 
D) will be used to replace less energy efficient LED type bulbs.

Question 6

A negatively charged particle located in the cloud like smear of negative charge of an atom is called a(n)

Accepted Answer

A) proton. 
B) nucleus. 
C) electron. 
D) neutron. 
A) proton. 
B) nucleus. 
C) electron. 
D) neutron.

Question 7

Which statement is false?

Accepted Answer

A) The nucleus contains the protons and neutrons. 
B) The number of neutrons in an element is found by subtracting the number of protons from the atomic mass listed under each symbol on the periodic table. 
C) The number of electrons in a neutral atom will be equal to the number of protons. 
D) The neutron is located in the nucleus and takes up very little space inside the nucleus.Neutrons and protons have about the same mass. 
A) The nucleus contains the protons and neutrons. 
B) The number of neutrons in an element is found by subtracting the number of protons from the atomic mass listed under each symbol on the periodic table. 
C) The number of electrons in a neutral atom will be equal to the number of protons. 
D) The neutron is located in the nucleus and takes up very little space inside the nucleus.Neutrons and protons have about the same mass.

Question 8

________ matter is attracted to or repelled by other matter.

Accepted Answer

A) Heavy 
B) Microscopic 
C) Isotopic 
D) Charged 
A) Heavy 
B) Microscopic 
C) Isotopic 
D) Charged

Question 9

Who was the first person to have a part of his/her body X-rayed?

Accepted Answer

A) Marie Curie 
B) Anna Röntgen 
C) Dmitri Mendeleev 
D) Bertha Wilhelm 
A) Marie Curie 
B) Anna Röntgen 
C) Dmitri Mendeleev 
D) Bertha Wilhelm

Question 10

Which of the following types of electromagnetic radiation is the most energetic?

Accepted Answer

A) radio waves 
B) visible light 
C) ultraviolet light 
D) infrared light 
A) radio waves 
B) visible light 
C) ultraviolet light 
D) infrared light

Which type of electromagnetic radiation is associated with heat?

Which is defined as the emission of energy?

When electrons in an atom are in their lowest possible energy state, they are said to be

Incandescent light bulbs

A negatively charged particle located in the cloud like smear of negative charge of an atom is called a(n)

Which statement is false?

________ matter is attracted to or repelled by other matter.

Who was the first person to have a part of his/her body X-rayed?

Which of the following types of electromagnetic radiation is the most energetic?

The Story of Chemistry the Scientific Method Think, Measure, Rethink

Everything the Ways We Organize and Classify Matter

Bonds an Introduction to the Forces Within Substances

Carbon Elemental Carbon, Organic Molecules, and Carbon Footprints

Air a Study of the Gases in Our Atmosphere

Chemical Reactions How We Keep Track of Chemical Changes

Water Why Water Is Critical for Human Beings and the Planet

Salts and Aqueous Solutions the Nature of Salts and How They Interact With Water

Ph and Acid Rain Acid Rain and Our Environment

Nukes the Fundamentals of Nuclear Chemistry

Energy, Power, and Climate Change the Fundamentals of Nuclear Chemistry

Sustainability and Recycling Finding Better Ways to Use and Reuse Our Resources

Food the Biochemistry of the Foods We Eat

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Exam 2: Atoms All About Atoms and Whats Inside Them

Which type of electromagnetic radiation is associated with heat?

Which is defined as the emission of energy?

When electrons in an atom are in their lowest possible energy state, they are said to be

Incandescent light bulbs

A negatively charged particle located in the cloud like smear of negative charge of an atom is called a(n)

Which statement is false?

________ matter is attracted to or repelled by other matter.

Who was the first person to have a part of his/her body X-rayed?

Which of the following types of electromagnetic radiation is the most energetic?

The Story of Chemistry the Scientific Method Think, Measure, Rethink

Everything the Ways We Organize and Classify Matter

Bonds an Introduction to the Forces Within Substances

Carbon Elemental Carbon, Organic Molecules, and Carbon Footprints

Air a Study of the Gases in Our Atmosphere

Chemical Reactions How We Keep Track of Chemical Changes

Water Why Water Is Critical for Human Beings and the Planet

Salts and Aqueous Solutions the Nature of Salts and How They Interact With Water

Ph and Acid Rain Acid Rain and Our Environment

Nukes the Fundamentals of Nuclear Chemistry

Energy, Power, and Climate Change the Fundamentals of Nuclear Chemistry

Sustainability and Recycling Finding Better Ways to Use and Reuse Our Resources

Food the Biochemistry of the Foods We Eat

Filters